Ardsley Advisory Partners’s Great Lakes Dredge & Dock GLDD Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2015 Q1	–	Sell	-24,400	Closed	-$209K	–	186
2014 Q4	$209K	Buy	+24,400	New	+$209K	0.03%	138
2013 Q4	–	Sell	-50,000	Closed	-$372K	–	170
2013 Q3	$372K	Sell	50,000 -51,700	-51%	-$385K	0.08%	84
2013 Q2	$795K	Buy	+101,700	New	+$795K	0.17%	55